<span style="font-family: Arial;"><span style="font-size: medium;"> I have the old style cut off switch left over from my last big gasser. The only hesitation I have about the troy built set up is one battery</span></span>. <span style="font-family: Arial;"><span style="font-size: medium;">Thanks for the input. I will look into the optical shut off switch some more.</span></span>